Home / 11,163.99-16,749.23-5,325.51

Finding the Fourth Proportional to 11,163.99, 16,749.23 and 5,325.51

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Solution

The fourth proportional to 11,163.99, 16,749.23 and 5,325.51 is: 7,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.99 : 16,749.23 = 5,325.51 : x
  2. Step 2: Convert to fraction form
    11,163.99/16,749.23 = 5,325.51/x
  3. Step 3: Cross multiply
    11,163.99x = 16,749.23 × 5,325.51
  4. Step 4: Simplify right side
    11,163.99x = 89,198,165.23
  5. Step 5: Solve for x
    x = 89,198,165.23/11,163.99
  6. Step 6: Final answer
    x = 7,989.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.